Parabolic electric heater



FIG. 1 is a front and top-left side perspective view of a parabolic electric heater showing our new design;

FIG. 2 is an enlarged left side elevational view thereof, the right side being a mirror image of that shown;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged rear elevational view thereof;

FIG. 5 is an enlarged top plan view thereof; and

FIG. 6 is an enlarged bottom plan view thereof.

The fragmentary broken-line showing of an electrical cord in FIGS. 1, 2 and 4, is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a parabolic electric heater, as shown and described. 